I think my mat came with the Optacon back in 1976. Would anyone know where to get a similar type of mat? It keeps material from sliding. I'm asking for a friend who needs one. Thanks and happy summer! --Camille from Connecticut to view the list archives, go to: www.freelists.org/archives/optacon-l To unsubscribe at any time, just send a message to: optacon-l-request@xxxxxxxxxxxxx with the word "unsubscribe" (without the quotes) in the message subject. Tell your friends about the list. They can subscribe by sending a message to: optacon-l-request@xxxxxxxxxxxxx with the word "subscribe" (without the quotes) in the message subject.